Math
posted by Nathan .
Solve
x^26x+13=0

If the coefficient of the x^2 term is 1 and the middle term coefficient is even, I use completing the square rather than the formula
x^2  6x + ... = 13 + ....
x^2 6x + 9 = 13+9
(x3)^2 = 4
x3 = ±√4
x = 3 ± 2i 
In google type:
quadratic equation online
When you see list of results click on:
Free Online Quadratic Equation Solver:Solve by Quadratic Formula
When page be open in rectangle type:
x ^ 2  6 x + 13 = 0
and click option: solve it!
You wil see solution stepbystep